The Giant Radio Array for Neutrino Detection (GRAND): Science and design
By Grand Collaboration Jaime 'Alvarez-Muniz, R. Batista, V. AswathiBalagopal, J. Bolmont, M. Bustamante, W. Carvalho, D. Charrier, I. Cognard, V. Decoene, P. Denton and 110 more. Science China Physics Mechanics and Astronomy, 2018
299 citations recorded by the source corpus.
The Giant Radio Array for Neutrino Detection (GRAND) is a planned large-scale observatory of ultra-high-energy (UHE) cosmic particles, with energies exceeding 108 GeV. Its goal is to solve the long-standing mystery of the origin of UHE cosmic rays. To do this, GRAND will detect an unprecedented number of UHE cosmic rays and search for the undiscovered UHE neutrinos and gamma rays associated to them with unmatched sensitivity. GRAND will use large arrays of antennas to detect the radio emission coming from extensive air showers initiated by UHE particles in the atmosphere. Its design is modular: 20 separate, independent sub-arrays, each of 10000 radio antennas deployed over 10000 km2. A staged construction plan will validate key detection techniques while achieving important science goals early. Here we present the science goals, detection strategy, preliminary design, performance goals, and construction plans for GRAND.
Subfields: Astronomy and Astrophysics, Nuclear and High Energy Physics
View Paper: https://www.semanticscholar.org/paper/75836ca4ddf6ab9e9b66c265b12f4522e0bbadac
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Citations in the corpus
- Open Questions in Cosmic-Ray Research at Ultrahigh Energies (2019, methodology): “The propose GRAND (Alvarez-Muniz et al., 2018) will use large arrays of cost-effective radio antennas to detect particle cascades produced in media and air by UHE tau neutrinos.”
- Multi-messenger astrophysics (2019, background): “Another large project aimed at this goal is the Chinese-led GRAND 10,000 km(2) array being planned for the 2025 to 2030s [99], as well as the POEMMA [100] and Trinity [101] projects.”